Spring-motor.



G. R. KUNKLE.

SPRING MOTUH.

ArPLlc/nmw mm mu. 4. mi

1 ,'25 1 972 Patented Jim. 1, 1918.

UNITED STATES PATENT GEORGE R. KNKLE, 0F RICHMOND, INDIANA.

SPRING-MOTOR.

Y Specmcation of Letters Patent.

Patented Jan. 1, 1918.

Appiication mea January 24, 1917. serial No. 144,285.

To .all whom it may concern:

Be it known that I, GEORGE R. KUNKLE, acitizen of the United States, residing in the lcity of Richmond, in the county of Wayne, State of Indiana, have invented new and useful Im rovements in Spring-Motors, of which theollowing is a full,'clear, and comprehensive specification and exposition, the, same being such as will en'able others to make and use the same with exactitude.

The object of my invention, broadly speaking, is to provide a spring motor which will be simple in construction and compact in its arrangement, will be strong'and durable in its several arts, easily operated an controlled, which can be manufactured, installed, and sold at a4 comparatively low,

rice, and. above all will be absolutely noiseess in its operation.

Other objects are, to provide a spring motor which will be positivle in laction, regular in its operations, and automatic as to the oiling of the several bearings thereof.

Other minor objects and particular advantages of the `invention will be brought out in lthe course `of the following description,

and that which is new will be correlated in the claims.

The preferred means for carr yling out the principles of the invention is s'own in the accompanying drawings, in which-Figure 1 is a vertical section taken through the vcase and certain ofthe mechanism therein,

as `on the line 1-1 of Fig. 2. Fig. 2 is a to plan View, lookingdown into the case aifltbr the lid or cover has been removed.

` Fig. 3 is horizontal section, as taken on the line 3--3 of Fig. 1, and taken in the direction indicated by the arrows. Fig. 4`is an enlarged detail section of 4one of the governor oilers. Fig. 5is a plan yiew of the buter bearing for the 'winding-'shaft And Fig. 6 is a sectional view of theouter'be nfing for the winding-shaft, as taken on* he `line 6--6.of Fig. 2.

Similar indices denote like parts throughout the several views. l y

In order that the construction, the operation, and the advantages of my invention may be more fully understood and appreciated I will now take up a'detailed descrip tion thereof, in which I will forth the top-3 a ca several features as briefly and as comprehensively as I may.

Referring now to the drawings in detail: i

The container o'r case is substantially round in crosssection, with a swell or enlarge L/ ment on one side thereof in order to accomg modate certain of the gears, and it comvprises the side wall -1 and the /bottom 260 '6. Mounted in' suitable spaces therefor in the inner ends of the hubs-5and 6, and extending vertically therebetween, is the hollow shaftor s indle 7.

The spring arrel or cage comprises an upper disk 8 and a lower disk 9,`the two being spaced apart, parallel with eachother, and the are rigidly connected together by a plura ity -of posts'lO. The barrel or cage thus formed is located around and concen- -tric withthe hollow shaft 7 upon which it ma' freely revolve. lumeral ,11 denotes the'main drive gear 85 wheel, shown in dotted lines in Fi 3, and l i it also is concentric with the sha t 7, and

it is concentric with the spring barrel, below which it is located, and'to which it is rigidly securedas follows: Struck down 9o through the disk 9 are a'plurality of oblong i radial depressions 12, the bottoms of'which contact with the upper yface of the gear l11,4

to which the are secured by screwsor rivets' 13 substantlallys indicated. v 95 urneral 14 denotes a flat coiled spring one end of which is secured around one of the posts-10 by `one or more rivets 15. Said spring is coiled around inside the barrel withlts inner end securedto the hook 16, 100.

the latter being secured to the shaft 7 inA l anjyd` well known manner.

shaft T, is the spiral gear 17. Numeral 18 denotes a spiral gear screw, whlch is located at one side of and at rlght'angle to and in mesh with the gear 17, as in Fig. 2.'

Said screw 18 is secured on the inner end of the winding-shaft 19, the latter being revol lubly mounted in the hangers 20 and 21 which extenddown from the lid 3. shaft 19 l'n'ojects out through an aperture therefor' in the wall 1, where it is provided with a plate The outer end of the shaft 19 is adapted to, receive a crank by which the said shaft may he rotated, as hereinafter set forth.

Coiled tightly" und the shaft 19 and extending between the hangers 20 and 21v is a coil spring 23, oued/end of w'hicuh is'run up through the cover 3 and secured by the screw 24, while the other -en'd of the spring remains fre-e. From the above it is'apparent that the shaft 1f) may be freely rotated to h tl'ierigl'it` as will incline to unwind or loosen the` convolution?, of the spring Q3, but the shaft can not-b e rotated' to the left as this will tend to contract the coils'of the spring and cause them to grasp the shaft. thereby @preventing the shaft from rotating reversely.

A notch formed in the upper egrlgeofl the wall 1. in the base of which notch fits the shaft 19. and closing said' notch, after the said shaft is,in position, and`fitting said I shaft, is.l the block D. The said block has a V-shaped fin d in each side edge thereof and the fins are adapted to slide down andfit inQcorresponding grooves Vformed in each side edge., of the said notchgas' indicated.

-.A channel is formed in the contact face of the block D and in the base of said notch in which is located the packing B.

It is apparent that the block D and the packing B are held tight in place when the lid or cover 3ds secured as in Fig. 1.

Extending up from the `bottom 2 is 4the hub 25, and extendingr throughv said hub is the axle 26, on which is mountedrthc pinion 27 and the g'ear-wl'ieel Q8: ThefsaidI pinion and gear-wheel being integraland concentric with each other, and they rest upon the upper end Vof the hub 25. The Apinion 27 ils located in mesh with the gear-wheel 11 and is driven thereby, as hereinafter followed out. 4 g

Also extending up from the bottom 2"is the hub 29, and extending through the hub l29 is the axle` 30, on whichis mounted the pinion 31 andthe gear-wheel the two being integral with each other, and they-rest upon the upper en d of the hub' 29. The gear-wheel 28 meshes with the pinion 31 which it drives.

Extending through 'beyond the shaft'( is the driven shaft 33, the lower end of the sha-ft 33 is mounted in the hub 6, through The is supported and centered by a ball-bearing whichis located in the outer end of the hub` 5., The lower ball-race 35 is secured in the hubv, While the upper ball-race 36 is Set al point above the shaft 7 the shaft 33 cured around the shaft 33, with the balls 37 operating in as shown. A

Mounted on the upper end portion ofthe shaft 33, and above the hub 5, the turntable' 38, which is tl1e element to be driven. Secured on the lower projecting portion of the.shaft 33 is the spirai-gea-r 39 with which, meshes atright-angles thereto the spiral-screw 40. The screw 4() is secured on l the governor-shaft 41, the latterbeing revo-` lubly mounted at its ends in the bearings 42 and 43, in any well known manner. c

The governor comprises a'ixed spider 44 secured to the shaft 41 kand located near the screw 40,-and a slidable'spider'45 which is movable along on said shaft 41.V Connectingsaid spiders-are the thin springs 46 and 47 and they normally exten parallel with the shaft 41.' Secured to the`c`enter of each Aof the springs 4G and 47lare the respective weights 48 and 49. Secured to the spider 45 and revoluble therewithl and slidable 'on the shaft 4l is the disk 50.

the race-way therebetween,

- Numerall denotes a projection from the' with packing 53'to prevent the escape ot' oil.

Also packing lshould be placertaround the Shaft 19 where/it passes through -tlie wall 1,

in .order to prevent .the escape of oil at that point.

Leading from the interior of the case are two pipes or ducts 54 andg, which extend into the respective bearings 43 and 44. to supply oil to the ends'of the shaft- 4f 'icks lffand 57 should be placed in eacli of the ducts to retardthe oil beyond that required' to' properly oil the ends4 :of the shaft 41. yAfter the mechanism is assembled as shown and described the filler4 plug A may be removed-,and the interior of the ca. should be filled, or nearly so, with suitabl Huid oil, then`after the plug A is replaced the motor willv be ready for operation to function in themanner-for which it is in'- tended. t

First the spring'14 should be'wound to the. desired tension, by simply turning the f' shaft 19 to the right, which manifestly will carrying with it the gear 11, from which lthe power will be exerted through the intermediate gears to the pinion 34, and the latter will of course turn the shaft 33 and the latter will carry. with it the turn-table 38,-

thereby accomplishing the desideratum of the mechanism. Now as the mechanism speeds up to a certain rate the centrifugal force of the otating weights 48 and 49 will bow out th ysprings 46 and 4-7, thereby bringing the disk 50 into frictional contact with the felt 52 and thereby reduce the speed, or rather holding the speed at a uniform rate.

As probablyr will have been observed, the most prominent features of this invention are: The means whereby various mechanisms operate continuously in fluid oil, therehv minimizing the noise which would result fn In the operation of the mechanism, also ,f t

spensing with the necessity of frequent l ailing, and adding to the life of the mecha- 30' nism; (b), The hollow axle tot which the inner end of the power spring is attached, with the driven shaft extending through the hollow shaft, thereby enabling the mechas` nism to be arranged in compact forni, causing the mechanism to be more simple than 'it otherwise would be, and reducing the cost of production to an appreciable extent; and (c) The novel means for oiling the governor, which of necessity is located outside of the oil case.

I desire that it be understood that vari-z ous *changes may' be made in the several den tails of construction and arrangement w1thout departing fronithe spirit of the 1nven i tion and without sacrificing any of the adj vantages thereof.

Having now fully shown and described my invention, what .l claim, and desire to secure by Letters Patent of the United- States, is-

1. A :spring motor comprising/an inclosed case, a vertical. hollow shaft located/entirely within the case, a springcagcprevolubly f mounted around and, concentric of said shaft, a coil spring located ,in'l'said cage with Y its inner end secured to said` shaftand its outer end secured tot the cage, alt'mam drive gear located below said cage and secured.

thereto, a driven shaft, extending through the'hollow shaft and,without contact there l with and projecting Vthrough the case both above and below, a hall-bearing carried by the upper part of the case by which the driven sha t is suspended, a turn-table`se vcured to the upper projecting end of the cluding a removable cover, a vlub in said cover, a ballbearing mounted in the hub, a driven-shaft supported b said ball-bearing and projectin through t e case both above and below, a liollow shaft mounted entirel in the case concentric with the driven sha t but spaced therefrom, means for manually revolving the hollow shaft, a spring cage adapted to revolve around thehollow shaft concentric therewith but independent there of, a coil spring contained in said cage with its inner end attached to the hollow shaft and its outer end attached to said cage, a main gear wheel located below said cage, Adepressions extending down from the cage means for securing the depressions to said main ear la inion secured to the driven sha-ft immediately below the lower end of the hollow shaft, a pinion meshing with the main gear, a second gear integral with the last mentioned pinion, a pinion meshing with said secondgear, a third gear integral with the last mentioned pinion and meshing with the said pinion attached to the driven shaft1 all of the intermediate gears and pinn ions being located to one side of the driven shaft` and a governor located below the case and on the side of the driven shaft opposite to that of said gears and pinions, all substantially as set forth,

3 A spring motor including case haw ing a' removable cover, a hub integral with the cover, a driven shaft projecting through the hub and the interior of the ease and ro j eating below the case, means for suspen ing the said shaft in vertical rotative position, a turn-table attached to the upper projecting end of said shaft, a governor geared to the lower projecting end of said shaft, a hollow shaft concentric of the driven shaft and spaced therefrom and having its ends located in bearing within the' case and adapted to lrotate in one direction only, means for manually rotating the hollow shaft, a spring cage concentric of and having the hollow shaft as its axis, said cage comprising an upper disk, a lower disk `spaced from the upper disk, a post connectingthe periphneeted to one of said posts, a main gear connected concentric of and below seid cage and carried therel'inige plmon secured to the driven shaft and adjoining fhe `lower end of the hol low shafty a pair of intermediate pinions, and a pair of intermediate gears, meshing together and with the main gear and the Erst mentioned pmmn, axles for said 10 which axle intermec'liate gears and plnions s are Seoul-'ed in the bottom of the case, and Spiral g'ers connecting the driven shaft and vthe governor', all substantially as shown and described.

In testimony whereqf I' have hereunlm subscribed my name to"tliis specification in 15 the presence of two subscribing Witnesses. GEORGE R. KUNKLE. lVitnesses R'oT: W; IHANDLE, R. E. HANDLE. 

